There was no significant difference between DA group and TF group by chisquaretest. There were significant differences between GIC group and the other two groups.
经统计学卡方检验DA组与TF组之间疗效差异无显著性，两组与GIC组之间疗效差异有显著性。
2
Only 16.35% in the negative framing chose the safe program. A chi-squaretest revealed a significant difference.
负面框架组的被试，只有16.35%选择保守方案，差异有统计学意义。
3
Single knife on 1 month after treatment and treatment of patients 3 months after the effective number of cases and the number of invalid statistics: chi-squaretest P <0.05, significant difference;